Finding the Fourth Proportional to 5,012,546.64, 6,917,321.36 and 2,720,707.80
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Solution
The fourth proportional to 5,012,546.64, 6,917,321.36 and 2,720,707.80 is: 3,754,580.56
Step by Step Solution
- Step 1: Write the proportion equation
5,012,546.64 : 6,917,321.36 = 2,720,707.80 : x - Step 2: Convert to fraction form
5,012,546.64/6,917,321.36 = 2,720,707.80/x - Step 3: Cross multiply
5,012,546.64x = 6,917,321.36 × 2,720,707.80 - Step 4: Simplify right side
5,012,546.64x = 18,820,010,179,258.61 - Step 5: Solve for x
x = 18,820,010,179,258.61/5,012,546.64 - Step 6: Final answer
x = 3,754,580.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.